Resonator with reduced sensitivity to climatic variations

The invention relates to a compensating balance-spring (1) for a thermally compensated resonator with a balance and spring assembly, comprising a core (9a, 9b, 9c, 9d, 9e, 9f) formed from at least one non-metal material (11a, 11b, 13b, 15b, 11c, 17c, 19c, 11d, 13d, 15d, 17d, 19d, 11e, 13e, 15e, 17e,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SALIHU FATMIR, BROCHER LUCIE, CUSIN PIERRE, HESSLER THIERRY
Format:	Patent
Sprache:	eng
Schlagworte:	HOROLOGY MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL MECHANICALLY-DRIVEN CLOCKS OR WATCHES PHYSICS TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
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Beschreibung
Zusammenfassung:	The invention relates to a compensating balance-spring (1) for a thermally compensated resonator with a balance and spring assembly, comprising a core (9a, 9b, 9c, 9d, 9e, 9f) formed from at least one non-metal material (11a, 11b, 13b, 15b, 11c, 17c, 19c, 11d, 13d, 15d, 17d, 19d, 11e, 13e, 15e, 17e, 19e, 11f, 21 f). According to the invention, the core (9a, 9b, 9c, 9d, 9e, 9f) is partially coated with at least one layer (7) which is humidity-stable in order to render the compensating balance-spring (1) less sensitive to climatic variations. The invention relates to the field of timepieces.